Fire up Shark007’s Settings Application and apply these settings exactly. Start with the SWAP tab and work your way from right to left.

SWAP

MPG~MP4

MOV~OGG

MKV

H264

AVI

Audio

Misc

Config

If you’re using Windows 7 64-bit then install Shark007’s x64 Components Addon. The only settings difference is the SWAP tab… which really isn’t that different.
That’s it! Fire up Sage and play your favorite recording with full DXVA hardware accelerated stutter free goodness.
To verify the correct decoders are being used, while watching a recording, right click on the FFDShow Audio tray icon. It should look like this:
Let me know how it goes!